F5 vs Lantronix: revenue, profit, margins and growth compared
F5 brought in $3.1B of revenue in fiscal 2025, Lantronix $120.9M in fiscal 2026. Revenue changed by +9.7% at F5 and -1.6% at Lantronix on the year before, so F5 grew faster. F5 kept 22.4% of its revenue as net profit, Lantronix -3.5%. Free cash flow was $906.4M at F5 and $9.3M at Lantronix.
Fiscal years as each company reports them; the two may end in different months.
Questions about F5 and Lantronix
Which is bigger by revenue, F5 or Lantronix?
F5 is bigger by revenue: $3.1B in fiscal 2025, against $120.9M for Lantronix in fiscal 2026.
Which keeps more of its revenue as profit, F5 or Lantronix?
F5 had a net margin of 22.4% in fiscal 2025; Lantronix had -3.5% in fiscal 2026.
Which grew revenue faster, F5 or Lantronix?
In their latest fiscal years revenue changed by +9.7% at F5 and -1.6% at Lantronix.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.